1

(PD)

Tsukamoto Machida & Inutsuka 2013arxiv1307.6910

10.03M_solar(30Mjupiter)1000-2000

(Stamatellos+ 2011) (Gammie 2001, Boley+ 2009) 10(Gammie 2000)

: ~10- 100AU: ~ 1 AU : ~100 K: 10Mj

1000AUBoley+ 200930AUKuzuhara+2013(Kratter+ 2010)(Stamatellos+ 2009)(Baruteau+ 2010)()(Vorobyov+ 2011,Naykshin 2010)

Kratter+ 2010Vorobyov+ 20114

(Nayakshin 2010, Galvagni+ 2012)()-

Nayakshin 2010Galvagni+201210^2 10^3 10^4 10^5 ()0.1 1 10 (AU)M=5MjM=30MjM=10Mj~1000K1000K60.01AU

(FLD)

Smoothed Particle Hydrodynamics (Whitehouse & Bate 2005,6)

10^-7 g/cm^3 (r_acc=2AU).:Semenov 2003: Tomida+ 2013

Opacity ModelsSemenov 2003: 1M:~4000AU,:10 K : 520 000

8000AU

100AU

100AU:(>10^-11 g/cm^3):72

(K)101001000Clump1 ()Clump2 ()100AU>1e-11 (g/cm^3)

Clump2 ()(R100K)

(g/cm^3)(K)

~0.03 MsolarClump2 ()Clump1 ()1000-2000:(~10^-7,T~1000 K)

M~0.03M_solar()

2:

(e.g., Xiang-Gruess+ 2012)

()

Tsukamoto+ 2013MHDMHD w Ohm